public class SessionIdController {

  

public String conbaseurl {get;set;}
public List<String> baseurl {get;set;}
public String Instances_var{get;set;}
public String Teststr{get;set;}




public SessionIdController(){

    
    conbaseurl=URL.getSalesforceBaseUrl().gethost();
    baseurl=conbaseurl.split('\\.');   
    Instances_var=baseurl[1];

    
               

}
}